Cita APA (7a ed.)

Douglas, J. E. (1980). Successful seed programs: A planning and management guide. Westview Press.

Cita Chicago Style (17a ed.)

Douglas, Johnson E. Successful Seed Programs: A Planning and Management Guide. Boulder, Colorado: Westview Press, 1980.

Cita MLA (9a ed.)

Douglas, Johnson E. Successful Seed Programs: A Planning and Management Guide. Westview Press, 1980.